CN215336116U - Stray light processing structure for reflective front fog lamp - Google Patents
Stray light processing structure for reflective front fog lamp Download PDFInfo
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- CN215336116U CN215336116U CN202121495921.1U CN202121495921U CN215336116U CN 215336116 U CN215336116 U CN 215336116U CN 202121495921 U CN202121495921 U CN 202121495921U CN 215336116 U CN215336116 U CN 215336116U
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- reflector
- light
- front fog
- light source
- fog lamp
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Abstract
The utility model belongs to the technical field of automobile front fog lamps, and particularly relates to a stray light processing structure for a reflective front fog lamp, which comprises a reflector and a circuit board fixed on the reflector, wherein the reflector is provided with an incident hole and an emergent hole, a light source is arranged on the circuit board and used for emitting light rays which enter the reflector from the incident hole, the reflector comprises an upper side wall and a lower side wall, and an arc-shaped light distribution reflecting surface is arranged on the reflector and used for reflecting the light rays emitted by the light source to the emergent hole; according to the utility model, by utilizing the optimized design of one arc-shaped surface of the shading structure, when a light source irradiates, the light source is directly irradiated on the side wall of the reflector without participating in the light distribution design to form stray light rays, and interception, reflection and absorption are given, so that uncontrollable stray light is greatly reduced, the light utilization rate of the light distribution design is not influenced, the structure is simple, the design is ingenious, the light-shielding structure can be attached to a front fog lamp for use, and the practicability is strong.
Description
Technical Field
The utility model relates to the technical field of automobile front fog lamps, in particular to a stray light processing structure for a reflective front fog lamp.
Background
The front fog lamp is a lamp for improving the road illumination in front of a vehicle in the foggy weather or similar low visibility conditions, along with the release of the requirements of F3 type front fog lamps in GB4660-2016 standards, the requirements of the front fog lamp on stray light above a cut-off line become very high, the stray light of the lamp can be caused to exceed the standard by direct light of a plurality of common light sources and reflected light of partial special-shape products or light distribution structures, as shown in figure 1, the direct light 4 emitted by the light source 2 is partially reflected by a light distribution reflection surface 301 of a reflector 3 to form light distribution target light 5 required by light distribution design, light distribution light spots are formed, part of the light distribution target light irradiates a lower side wall 302 of the reflector 3 and then is reflected by an upper side wall 303 to form uncontrollable stray light 6, so that the light distribution light spots are blurred and unclear or the brightness of a dark area required by the light distribution standards exceeds the standard.
In order to solve the problems, according to the product requirements and the innovative design, the utility model provides a stray light processing structure for a reflective front fog lamp, when light from a light source is irradiated out, the stray light processing structure is directly intercepted, reflected and absorbed by light rays which do not participate in light distribution design and can form stray light after being irradiated on the side wall of a reflector.
SUMMERY OF THE UTILITY MODEL
Objects of the utility model
In order to solve the technical problems in the background art, the utility model provides a stray light processing structure for a reflective front fog lamp, which has the characteristics of further filtering and absorbing useless light and greatly reducing stray light.
(II) technical scheme
In order to solve the problems, the utility model provides a stray light processing structure for a reflective front fog lamp, which comprises a reflector and a circuit board fixed on the reflector, wherein the reflector is provided with an incident hole and an exit hole, the circuit board is provided with a light source used for emitting light rays to enter the reflector from the incident hole, the reflector comprises an upper side wall and a lower side wall, the reflector is provided with an arc-shaped light distribution reflection surface used for reflecting the light rays emitted by the light source to the exit hole, the upper side wall is provided with a shading structure, and the shading structure is used for absorbing the light rays so that the light rays do not directly irradiate on the lower side wall of the reflector.
Preferably, one side of the light shielding structure close to the light source is arc-shaped.
Preferably, a transparent lampshade covers the emergent hole.
Preferably, the mirror is an aluminized mirror.
Preferably, the light source is an LED.
Preferably, the circuit board is connected with the reflector by a fastening screw.
The technical scheme of the utility model has the following beneficial technical effects:
according to the utility model, the shading structure is added on the prior reflector, most of direct light of the light source can not be reflected to the lower side wall any more, stray light is reduced, and the optimized design of one arc surface of the shading structure is utilized, so that when the light source irradiates, the light source does not participate in light distribution design, and can form stray light after irradiating the side wall of the reflector, and the stray light is intercepted, reflected and absorbed, so that the light can be further filtered and absorbed, uncontrollable stray light is greatly reduced, the light utilization rate of the light distribution design is not influenced.
Drawings
FIG. 1 is a schematic view of a conventional mirror in operation;
FIG. 2 is a schematic view of the operation of the reflector of the present invention;
FIG. 3 is a schematic view of the light shielding structure of the present invention in an arc shape;
FIG. 4 is an enlarged view of the structure at A in FIG. 3;
wherein: 1. a circuit board; 2. a light source; 3. a mirror; 301. a light distribution reflecting surface; 302. a lower sidewall; 303. an upper sidewall; 304. a light shielding structure; 4. directly irradiating light; 5. distributing target light; 6. veiling glare.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in FIG. 3, the stray light processing structure for the reflective front fog lamp comprises a reflector 3 and a circuit board 1 fixed on the reflector 3 by fastening screws, wherein the reflector 3 is an aluminized reflector, the reflector 3 is provided with an incident hole 701 and an exit hole 702, the exit hole 702 is covered with a transparent lampshade for transmitting the reflected light, the circuit board 1 is provided with a light source 2 for emitting light from an incident hole 701 into a reflector 3, the reflector 3 comprises an upper sidewall 303 and a lower sidewall 302, the reflector 3 is provided with an arc light distribution reflecting surface 301 for reflecting the light emitted from the light source 2 to the exit hole 702, the upper side wall 303 is provided with a light shielding structure 304, one side of the light shielding structure 304 close to the light source 2 is arranged in an arc shape, wherein the light source 2 is an LED, and the light shielding structure 304 is used for absorbing light rays so that the light rays do not directly irradiate on the lower sidewall 302 of the reflector 3;
as shown in fig. 2, a light shielding structure 304 is added at the end of the upper sidewall 303 of the reflector 3, so that part of the direct light 4 emitted from the light source 2 does not directly irradiate the lower sidewall 302 of the reflector 3, but is absorbed by the light shielding structure 3-4;
as shown in fig. 3-4, the light shielding structure 304 is further optimized, the end face of the structure is narrowed and tapered, one side of the light shielding structure 304 facing the light source 2 is designed in an arc shape, and most of the direct light 4 emitted from the light source 2 is reflected to the circuit board 1 and absorbed by the circuit board after passing through the optimized light shielding structure 304, and only a little of the direct light is reflected by the light distributing reflection surface 301 of the reflector 3 to form downward light, so that the light utilization rate of the light distribution design is not affected.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A stray light processing structure for a reflective front fog lamp comprises a reflector (3) and a circuit board (1) fixed on the reflector (3), the reflector (3) is provided with an incident hole (701) and an emergent hole (702), the circuit board (1) is provided with a light source (2) for emitting light rays to enter the reflector (3) from the entrance hole (701), characterized in that the reflector (3) comprises an upper side wall (303) and a lower side wall (302), and the reflector (3) is provided with an arc light distribution reflecting surface (301) for reflecting the light emitted by the light source (2) to the exit hole (702), and a shading structure (304) is arranged on the upper side wall (303), and the shading structure (304) is used for absorbing light rays so that the light rays do not directly irradiate on the lower side wall (302) of the reflector (3).
2. A veiling glare treatment structure for a reflective front fog lamp as claimed in claim 1, wherein the side of the light shielding structure (304) close to the light source (2) is arc-shaped.
3. The structure of claim 1, wherein the exit hole (702) is covered with a transparent cover.
4. A veiling glare treatment structure for a reflective front fog lamp as claimed in claim 1, characterized in that the reflector (3) is an aluminized reflector.
5. A veiling glare treatment structure for a reflective front fog lamp as claimed in claim 1, wherein the light source (2) is an LED.
6. A veiling glare treatment structure for a reflective front fog lamp according to claim 1, characterized in that the circuit board (1) is connected with the reflector (3) by fastening screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121495921.1U CN215336116U (en) | 2021-07-02 | 2021-07-02 | Stray light processing structure for reflective front fog lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121495921.1U CN215336116U (en) | 2021-07-02 | 2021-07-02 | Stray light processing structure for reflective front fog lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215336116U true CN215336116U (en) | 2021-12-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121495921.1U Active CN215336116U (en) | 2021-07-02 | 2021-07-02 | Stray light processing structure for reflective front fog lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215336116U (en) |
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2021
- 2021-07-02 CN CN202121495921.1U patent/CN215336116U/en active Active
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